The BD+14 4559 system contains 1 exoplanet. It is located 160.96 light years away from the solar system.
| Mass | 0.49 solar masses |
| Radius | 0.86 solar radiae |
| Temperature | 4864 kelvin |
| Stellar Metallicity | 0.17 decimal exponent |
| Age | - billion years |
At more than 50 Earth masses, BD+14 4559 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 330.543 Earth masses |
| Density | 0.691 grams per cubic centimeter |
| Radius | 13.800 Earth radiae |
| Semi-major Axis | 0.78 AU |
| Eccentricity | 0.29 |
| Orbital Period | 268.940 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | McDonald Observatory |
| Discovery Telescope | 9.2 m Hobby-Eberly Telescope |
| Discovery Instrument | High Resolution Spectrograph |
| Discovery Date | 2009-12 |
| Reference | Niedzielski et al. 2009 |